ISRC QM4TW2170123
Verified recording
QM4TW2170123 is “Nada” by La Negra,
registered on the CopyrightChains blockchain with CopyrightID
0x64b40a296c72eb8350c24bf23d4eac48dc91d7850ff5826ee003ad1c54d5c500 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2170123.
Recording identifiers
- ISRC
- QM4TW2170123
- Title
- Nada
- Artist
- La Negra
- CopyrightID (CopyrightChains transaction hash)
0x64b40a296c72eb8350c24bf23d4eac48dc91d7850ff5826ee003ad1c54d5c500
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:d8729592131601d0196582f3d99356906a9ad7ab52c24f2c9e376c1bda8748bc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2170123
- Bitcoin block existence check
- https://blockstream.info/api/block/957120